







Learn about the server environment for Firebase Cloud Messaging and the options for interacting with FCM servers.
FCM Architectural Overview | Firebase Cloud Messaging
Understand the components and lifecycle of Firebase Cloud Messaging, from message creation to delivery.
Firebase Studio
Firebase Studio is an entirely web-based workspace for full-stack application development, complete with the latest generative AI from Gemini, and full-fidelity app previews, powered by cloud emulators.
Quiet - Private messaging. No servers.
Quiet is available for all major platforms. (And eventually the web, too!)

Beeper — All your chats in one app
Get the most popular messaging services, all in a single app. WhatsApp, Signal, Instagram, Telegram, and more.

MCP Servers
The largest collection of MCP Servers, including Awesome MCP Servers and Claude MCP integration. Search and discover MCP servers to enhance your AI capabilities.

Home - maddy
Maddy Mail Server implements all functionality required to run a e-mail server. It can send messages via SMTP (works as MTA), accept messages via SMTP (works as MX) and store messages while providing access to them via IMAP. In addition to that it implements auxiliary protocols that are mandatory to keep email reasonably secure (DKIM, SPF, DMARC, DANE, MTA-STS).
Integration test setup for firehose websocket · Issue #26 · DavidBuchanan314/millipds
Probably want a async with wrapper that connects to the firehose and parses and stores the messages it receives, so that they can be checked for expected results afterwards. (will probably want to ...
mattt/iMCP
A macOS app that provides an MCP server to your Messages, Contacts, Reminders and more
mattt/iMCP
A macOS app that provides an MCP server to your Messages, Contacts, Reminders and more
MessagePort - Web APIs | MDN
The MessagePort interface of the Channel Messaging API represents one of the two ports of a MessageChannel, allowing messages to be sent from one port and listening out for them arriving at the other.

MCP server | Metabase Documentation
Connect MCP-compatible AI clients to Metabase to search, explore, and query your data through the semantic layer.

Poke – Chat with Poke
The proactive AI assistant on Apple Messages, WhatsApp, Telegram, and more. Texts like a human, really knows you, and integrates with your life in dozens of ways.

Google Firebase Studio for AI app development (FREE)
Signal Messenger: Speak Freely
Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

First post: A history of online public messaging
From BBS to Facebook, here’s how messaging platforms have changed over the years.

Fedify
Fedify is a TypeScript library for building federated server apps powered by ActivityPub and other standards, so-called fediverse.
